Abstract: (EDP Sciences)
In the landscape of approaches toward the simulation of Lattice Models with complex action the Complex Langevin (CL) appears as a straightforward method with a simple, well defined setup. Its applicability, however, is controlled by certain specific conditions which are not always satisfied. We here discuss the procedures to meet these conditions and the estimation of systematic errors and present some actual achievements.* Acknowledges financial support from STFC, the Royal Society and the Wolfson Foundation.** Acknowledges finacial support from the European Research Council under grant No. ERC-2015-COG-681707.*** Acknowledges financial support from DFG under under grant STA 283/16-2.**** Acknowledges financial support from DFG under under grant STA 283/16-2.‡ Acknowledges financial support from DFG Heisenberg fellowship under grant SE 2466/1-1.
Note:
  • 35th International Symposium on Lattice Field Theory
  • action: complex
  • Langevin equation: complex
  • model: lattice
  • lattice field theory
  • toy model
  • hopping parameter expansion
  • SU(2)